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Related papers: Nonequilibrium QCD in heavy-ion collisions: Kineti…

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We study the jet quenching parameter $\hat q$ in the initial pre-equilibrium stages of heavy-ion collisions using the QCD kinetic theory description of the anisotropic quark-gluon plasma. This allows us to smoothly close the gap in the…

High Energy Physics - Phenomenology · Physics 2025-06-25 Kirill Boguslavski , Aleksi Kurkela , Tuomas Lappi , Florian Lindenbauer , Jarkko Peuron

Measuring the energy loss of energetic jet partons may provide experimental opportunities to constrain the initial nonequilibrium stages in heavy-ion collisions, which requires theoretical predictions for the jet-medium potential. In this…

High Energy Physics - Phenomenology · Physics 2025-09-05 Alois Altenburger , Kirill Boguslavski , Florian Lindenbauer

In this work we study the non-equilibrium dynamics of a quark-gluon plasma, as created in heavy-ion collisions. We investigate how big of a role plasma instabilities can play in the isotropization and equilibration of a quark-gluon plasma.…

High Energy Physics - Phenomenology · Physics 2008-11-18 Bjoern Schenke

We present the first study of jet substructure modifications during the bottom-up evolution that describes the early stages of heavy-ion collisions. To this end, we study the bremsstrahlung radiation rate of soft gluons from a hard parton…

High Energy Physics - Phenomenology · Physics 2025-11-12 João Barata , Kirill Boguslavski , Florian Lindenbauer , Andrey V. Sadofyev

Using QCD kinetic theory, we study momentum broadening of jets using the full broadening probability (elastic collision kernel) $C(\mathbf{q_\perp})$ extracted during simulations of the nonequilibrium initial stages in heavy-ion collisions.…

High Energy Physics - Phenomenology · Physics 2025-09-09 Alois Altenburger , Kirill Boguslavski , Florian Lindenbauer

We study the jet quenching parameter $\hat q$ in a non-equilibrium plasma using the QCD effective kinetic theory. We discuss subleading terms at large jet momentum p, show that our expression for $\hat q$ reproduces thermal results at small…

High Energy Physics - Phenomenology · Physics 2025-06-25 Kirill Boguslavski , Aleksi Kurkela , Tuomas Lappi , Florian Lindenbauer , Jarkko Peuron

In this paper, we employ the gauge/gravity duality to study jet quenching (JQ) phenomena in the quark-gluon plasma. For this purpose, we implement holographic QCD models constructed from an Einstein-Maxwell-dilaton gravity at finite…

High Energy Physics - Theory · Physics 2026-01-01 Irina Ya. Aref'eva , Ali Hajilou , Alexander Nikolaev , Pavel Slepov

The states of matter produced in the early stage of heavy ion collisions can be highly anisotropic. If such a feature is sufficiently pronounced, one should expect the final particle distribution inside jets to reflect it in the form of…

High Energy Physics - Phenomenology · Physics 2025-03-26 Joao Barata , Carlos A. Salgado , Joao M. Silva

Ultrarelativistic heavy-ion collisions provide a unique window into far-from-equilibrium states of QCD matter. The initial stages of these events are characterized by highly anisotropic, nonthermal dynamics that precede hydrodynamization,…

High Energy Physics - Phenomenology · Physics 2025-12-22 João Barata , José Guilherme Milhano , Andrey V. Sadofyev , João M. Silva

The quark-gluon plasma (QGP) is an exotic phase of matter, composed of deconfined quarks and gluons and is briefly created in heavy-ion collisions (HIC) at the LHC and at the RHIC. High-energy, self-collimated structures of final-state…

High Energy Physics - Phenomenology · Physics 2023-11-10 Eamonn Weitz

QCD kinetic theory simulations are a prominent tool for studying the nonequilibrium initial stages in heavy-ion collisions. Despite their success, all implementations rely on approximations of the hard thermal loop (HTL) screened matrix…

High Energy Physics - Phenomenology · Physics 2025-06-25 Kirill Boguslavski , Florian Lindenbauer

Since the start of the heavy-ion collision programs at the Relativistic Heavy Ion Collider and the Large Hadron Collider, the study of jet modifications resulting from their interactions with the produced QCD matter has provided a unique…

High Energy Physics - Phenomenology · Physics 2024-01-10 Carlota Andres

We investigate the medium induced fragmentation of jets in a high-temperature QCD plasma. Based on an effective kinetic theory of QCD, we study the non-equilibrium evolution of the jet shower and the chemical equilibration of jet fragments…

High Energy Physics - Phenomenology · Physics 2020-09-08 Soeren Schlichting , Ismail Soudi

The quark-gluon plasma produced in heavy-ion collisions is anisotropic throughout its evolution. This anisotropy changes the physics of jet-medium interaction, making it dependent on the momentum direction of the jet. In this paper we…

High Energy Physics - Phenomenology · Physics 2022-02-09 Sigtryggur Hauksson , Sangyong Jeon , Charles Gale

QCD jets provide one of the best avenues to extract information about the quark-gluon plasma produced in the aftermath of ultra relativistic heavy ions collisions. The structure of jets is determined by multiparticle quantum interference…

High Energy Physics - Phenomenology · Physics 2022-10-20 João Barata , Xiaojian Du , Meijian Li , Wenyang Qian , Carlos A. Salgado

The interaction of a jet with the medium created in heavy-ion collisions is not yet fully understood from a QCD perspective. This is mainly due to the non-perturbative nature of this interaction which affects both transverse jet momentum…

High Energy Physics - Phenomenology · Physics 2022-12-20 Guy D. Moore , Soeren Schlichting , Niels Schlusser , Ismail Soudi

The quark gluon plasma (QGP) is one of the most interesting forms of matter providing us with insight on quantum chromodynamics (QCD) and the early universe. It is believed that the heavy-ion collision experiments at the Relativistic Heavy…

Nuclear Theory · Physics 2022-08-01 Wenkai Fan

Jet modification in heavy-ion collisions is an important probe of the nature and structure of the quark-gluon plasma (QGP) produced in these collisions and also encodes information about how the wakes that jets excite in a droplet of QGP…

High Energy Physics - Phenomenology · Physics 2020-09-09 Jasmine Brewer , Quinn Brodsky , Krishna Rajagopal

To probe the properties of the quark-gluon plasma created in heavy-ion collisions, a very useful class of observables refers to the propagation of energetic jets. A jet is a collimated spray of particles generated via successive parton…

High Energy Physics - Phenomenology · Physics 2020-10-07 Paul Caucal

We present a first-principle computation of the jet quenching parameter, which describes the momentum broadening of a high-energy parton moving through the deconfined state of QCD matter at high temperature. Following an idea originally…

High Energy Physics - Phenomenology · Physics 2014-05-09 Marco Panero , Kari Rummukainen , Andreas Schäfer
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